What many of us don’t realize is that we probably face pollution every single day, and you don’t notice it because it's invisible and inside your home.
Meet the Leets. See how well their home performs.
"Watch out for: Fly-by-night companies — 'blow and go' is the industry term — who charge a hefty fee for an audit, promise major upgrades, then disappear.
They’re required to do an audit before and after any work to guarantee results."